diff --git a/src/main/resources/handlebars/javascript/partial_model_generic.mustache b/src/main/resources/handlebars/javascript/partial_model_generic.mustache
index 43fcf17c37..6033944e74 100644
--- a/src/main/resources/handlebars/javascript/partial_model_generic.mustache
+++ b/src/main/resources/handlebars/javascript/partial_model_generic.mustache
@@ -57,7 +57,7 @@ export default class {{classname}} {{#parent}}{{^parentModel}}{{#vendorExtension
     * @member {{=< >=}}{<&vendorExtensions.x-jsdoc-type>}<={{ }}=> {{baseName}}{{#defaultValue}}
     * @default {{{defaultValue}}}{{/defaultValue}}
     */{{/emitJSDoc}}
-    {{baseName}} = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}undefined{{/defaultValue}};
+    '{{baseName}}' = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}undefined{{/defaultValue}};
 {{/vars}}
 
 {{#useInheritance}}{{#interfaceModels}}
@@ -67,7 +67,7 @@ export default class {{classname}} {{#parent}}{{^parentModel}}{{#vendorExtension
     * @member {{=< >=}}{<&vendorExtensions.x-jsdoc-type>}<={{ }}=> {{baseName}}{{#defaultValue}}
     * @default {{{defaultValue}}}{{/defaultValue}}
     */{{/emitJSDoc}}
-    {{baseName}} = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}undefined{{/defaultValue}};
+    '{{baseName}}' = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}undefined{{/defaultValue}};
     {{/allVars}}
 {{/interfaceModels}}{{/useInheritance}}